#region The MIT License
// The MIT License
// 
// Copyright (c) 2009 octalforty studios
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#endregion
using System;
using System.Reflection;

using octalforty.Componento.ComponentModel.Commands;
using octalforty.Componento.Properties;

namespace octalforty.Componento
{
    class Program
    {
        static void Main(string[] args)
        {
            using(Bootstrapper bootstrapper = new Bootstrapper())
            {
                ComponentModel.IServiceProvider serviceProvider = bootstrapper.Initialize();

                Execute(serviceProvider, args);
            } // using
        }

        private static void Execute(ComponentModel.IServiceProvider serviceProvider, string[] args)
        {
            Version version = Assembly.GetExecutingAssembly().GetName().Version;
            Console.WriteLine(Resources.CopyrightInformation, version.Major, version.Minor);

            ICommandResolverService commandResolver = serviceProvider.GetService<ICommandResolverService>();

            //
            // Resolve command
            ICommand command = commandResolver.ResolveCommand(args[0]);
            command.Execute(args);
        }
    }

    public enum VersionRequirementOperator
    {
        Equal,
        Less,
        LessOrEqual,
        Greater,
        GreaterOrEqual
    }

    public class VersionRequirement
    {
        private readonly Version version;
        private readonly VersionRequirementOperator requirementOperator;

        public Version Version
        {
            get { return version; }
        }

        public VersionRequirementOperator RequirementOperator
        {
            get { return requirementOperator; }
        }

        public VersionRequirement(Version version, VersionRequirementOperator requirementOperator)
        {
            this.version = version;
            this.requirementOperator = requirementOperator;
        }

        public bool Matches(Version v)
        {
            switch(RequirementOperator)
            {
                case VersionRequirementOperator.Equal:
                    return v == Version;
                case VersionRequirementOperator.Less:
                    return v < Version;
                case VersionRequirementOperator.LessOrEqual:
                    return v <= Version;
                case VersionRequirementOperator.Greater:
                    return v > Version;
                case VersionRequirementOperator.GreaterOrEqual:
                    return v >= Version;
                default:
                    throw new ArgumentOutOfRangeException();
            } // switch
        }
    }

    public class PackageReference
    {
        private readonly string packageName;
        private readonly Version version;
        private readonly Uri uri;

        public string PackageName
        {
            get { return packageName; }
        }

        public Version Version
        {
            get { return version; }
        }

        public Uri Uri
        {
            get { return uri; }
        }

        public PackageReference(string packageName, Version version, Uri uri)
        {
            this.packageName = packageName;
            this.version = version;
            this.uri = uri;
        }
    }
}
